8. Energetics I Flashcards
(3 cards)
1
Q
What is the definition of enthalpy change?
A
the amount of heat energy taken in or given out during any change in a system provided the pressure is constant
2
Q
In an exothermic reaction energy is transferred from the…?
A
system to the surroundings
3
Q
In an exothermic reaction, do the products have more or less energy than the reactants?
A
less energy
